23138964233400 has 96 divisors (see below), whose sum is σ = 72127092164400. Its totient is φ = 6136299878400.

The previous prime is 23138964233327. The next prime is 23138964233401. The reversal of 23138964233400 is 433246983132.

It is a self number, because there is not a number n which added to its sum of digits gives 23138964233400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23138964233401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106424385 + ... + 106641584.

Almost surely, 2^{23138964233400} is an apocalyptic number.

23138964233400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23138964233400 is an abundant number, since it is smaller than the sum of its proper divisors (48988127931000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23138964233400 is a wasteful number, since it uses less digits than its factorization.

23138964233400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213066169 (or 213066160 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 23138964233400 in words is "twenty-three trillion, one hundred thirty-eight billion, nine hundred sixty-four million, two hundred thirty-three thousand, four hundred".